2120110101000 has 192 divisors, whose sum is σ = 7359648220080. Its totient is φ = 550082534400.

The previous prime is 2120110100971. The next prime is 2120110101023. The reversal of 2120110101000 is 1010110212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 48358648836 + 2071751452164 = 219906^2 + 1439358^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2850349 + ... + 3516348.

Almost surely, 2^{2120110101000} is an apocalyptic number.

2120110101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120110101000 is an abundant number, since it is smaller than the sum of its proper divisors (5239538119080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120110101000 is a wasteful number, since it uses less digits than its factorization.

2120110101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366761 (or 6366744 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2120110101000 its reverse (1010110212), we get a palindrome (2121120211212).

The spelling of 2120110101000 in words is "two trillion, one hundred twenty billion, one hundred ten million, one hundred one thousand".